HURRY PLZ TIMED Which statement best describes the use of a catalyst in a fuel cell?

It reduces waste

Lowers energy requirements

Reduces toxic exhaust

Increases reaction rates

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.

What is the main purpose of patent attorneys? defend the company against legal claims manage financial investments invent new products protect rights to new products and processes